diff --git a/memgpt/agent_store/db.py b/memgpt/agent_store/db.py
index 52146db4..d4220d45 100644
--- a/memgpt/agent_store/db.py
+++ b/memgpt/agent_store/db.py
@@ -532,15 +532,15 @@ class PostgresStorageConnector(SQLStorageConnector):
             # Commit the changes to the database
             session.commit()
 
-    def str_to_datetime(self, str_date):
+    def str_to_datetime(self, str_date: str) -> datetime:
         val = str_date.split("-")
         _datetime = datetime(int(val[0]), int(val[1]), int(val[2]))
         return _datetime
 
     def query_date(self, start_date, end_date, limit=None, offset=0):
         filters = self.get_filters({})
-        _start_date = self.str_to_datetime(start_date)
-        _end_date = self.str_to_datetime(end_date)
+        _start_date = self.str_to_datetime(start_date) if isinstance(start_date, str) else start_date
+        _end_date = self.str_to_datetime(end_date) if isinstance(end_date, str) else end_date
         with self.session_maker() as session:
             query = (
                 session.query(self.db_model)
diff --git a/memgpt/settings.py b/memgpt/settings.py
index 6fceff37..1c982433 100644
--- a/memgpt/settings.py
+++ b/memgpt/settings.py
@@ -27,7 +27,7 @@ class Settings(BaseSettings):
     # add this property to avoid being returned the default
     # reference: https://github.com/cpacker/MemGPT/issues/1362
     @property
-    def memgpt_pt_uri_no_default(self) -> str:
+    def memgpt_pg_uri_no_default(self) -> str:
         if self.pg_uri:
             return self.pg_uri
         elif self.pg_db and self.pg_user and self.pg_password and self.pg_host and self.pg_port: